Charger



FIG. 1 is a front top perspective view of a charger;

FIG. 2 is a rear view of a charger;

FIG. 3 is a front view of a charger;

FIG. 4 is a side view of a charger; and,

FIG. 5 is an under view of a charger.

The broken lines on the bottom surface are included for the purpose of illustrating portions of the charger that form no part of the claimed design. 

The ornamental design for a charger, as shown and described. 